Spark plug gap measuring and adjusting tool



FIG. 1 is a top perspective view of a spark plug gap measuring and adjusting tool showing my new design;

FIG. 2 is a top plan view thereof.

FIG. 3 is a front edge elevational view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a left end elevational view thereof;

FIG. 6 is a right end elevational view thereof;

FIG. 7 is a rear edge elevational view thereof. 

The ornamental design for a spark plug gap measuring and adjusting tool, substantially as shown. 